The field of the equatorial electrojet from CHAMP data

Annales Geophysicae

Volumn 24, Issue 2, 2006, Pages 515-527

  Le Mouel J L ^a   Shebalin, P ^b   Chulliat, A ^a  

^a INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^b INSTITUTE OF EARTHQUAKE PREDICTION THEORY AND MATHEMATICAL GEOPHYSICS   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROJET; GEOMAGNETIC FIELD; LONGITUDINAL GRADIENT; SATELLITE;

EID: 33751112232     PISSN: 09927689     EISSN: 14320576     Source Type: Journal    
DOI: 10.5194/angeo-24-515-2006     Document Type: Article

References (25)

1. Cohen, Y.: Traitements et interprétations de données spatiales en géomagnétisme: étude des variations latérales d'aimantation de la lithosphère terrestre, Ph.D. thesis, Université Paris VII, 1989.
2. Cohen, Y. and Achache, J.: New global vector magnetic anomaly maps derived from Magsat data, J. Geophys. Res., 95, 10 783-10 800, 1990.
3. Doumouya, V., Vassal, J., Cohen, Y., Fambitakoye, O., and Menvielle, M.: Equatorial electrojet at African longitudes: first results from magnetic measurements, Ann. Geophys., 16, 658-676, 1998, SRef-ID: 1432-0576/ag/1998-16-658.
4. Egedal, J.: The magnetic diurnal variation of the horizontal force near the magnetic equator, Terr. Magn. Atmos. Electr., 52, 449-451, 1947.
5. Fambitakoye, O. and Mayaud, P. N.: Equatorial electrojet and regular daily variation SR; II, the center of the equatorial electrojet, J. Atmos. Terr. Phys., 38, 19-26, 1976.
6. Forbes, J. M.: The Equatorial Electrojet, Rev. Geophys. Space Phys., 19, 469-504, 1981.
7. Forbush, S. E. and Casaverde, M.: Equatorial Electrojet in Peru, Tech. Rep. 620, Carnegie Inst. Wash., Washington, D.C., 1961.
8. Gouin, P. and Mayaud, P. N.: A propos de l'existence possible d'un "contre électrojet" aux latitudes magnétiques équatoriales, Ann. Geophys., 23, 41-47, 1967.
9. Ivers, D., Stening, R., Turner, J., and Winch, D.: Equatorial electrojet from Ørsted scalar magnetic field observations, J. Geophys. Res., 108(A2), 1061, doi:10.1029/2002JA009310, 2003.
10. Jadhav, G., Rajaram, M., and Rajaram, R.: Main field control of the equatorial electrojet: a preliminary study from the Oersted data, J. Geodyn., 33, 157-171, 2002a.
11. Jadhav, G., Rajaram, M., and Rajaram, R.: A detailed study of equatorial electrojet phenomenon using Ørsted satellite observations, J. Geophys. Res., 107(A8), 1175, doi:10.1029/2001JA000183, 2002b.
12. Langel, R. A., Purucker, M., and Rajaram, M.: The equatorial electrojet and associated currents as seen in Magsat data, J. Atmos. Terr. Phys., 55, 1233-1269, 1993.
13. Langlais, B., Mandea, M., and Ultré-Guérard, P.: High-resolution magnetic field modeling: application to MAGSAT and Ørsted data, Phys. Earth Planet. Inter., 135, 77-91, 2003.
14. Lühr, H., Maus, S., and Rother, M.: Noon-time equatorial electrojet: Its spatial features as determined by the CHAMP satellite, J. Geophys. Res., 109, A01 306, doi:10.1029/2002JA009656, 2004.
15. Maus, S., Rother, M. amd Holme, R., Lühr, H., Olsen, N., and Haak, V.: First scalar magnetic anomaly map from CHAMP satellite data indicates weak lithospheric field, Geophys. Res. Lett., 29(14), doi:10.1029/2001GL013685, 2002.
16. Mayaud, P. N.: The equatorial counter electrojet - A review of its geomagnetic aspects, J. Atmos. Terr. Phys., 39, 1055-1070, 1977.
17. Mayaud, P. N.: Derivation, Meaning and Use of Geomagnetic Indices, Geophysical Monograph 22, Am. Geophys. Union, Washington, D.C., 1980.
18. Olsen, N.: Ionospheric F region currents at middle and low latitudes estimated from Magsat data, J. Geophys. Res., 102(A3), 4563-4576, 1997.
19. Olsen, N.: Swarm End-to-End Mission Performance Simulator Study, Tech. rep., Danish Space Research Institute, ESA contract No. 17263/03/NL/CB, 2004.
20. Rastogi, R. G.: The Equatorial Electrojet: Magnetic and Ionospheric Effects, in Geomagnetism, edited by: Jacobs, J. A., vol. 3, chap. 7, Academic Press, London, 461-525, 1989.
21. Ravat, D. and Hinze, W. J.: Considerations of variations in ionospheric field effects in mapping equatorial lithospheric Magsat magnetic anomalies, Geophys. J. Int., 113, 387-398, 1993.
22. Ravat, D., Langel, R. A., Purucker, M., Arkani-Hamed, J., and Alsdorf, D. E.: Global vector and scalar Magsat magnetic anomaly maps, J. Geophys. Res., 100(B10), 20 111-20 136, 1995.
23. Rigoti, A., Chamalaun, F. H., Trivedi, N. B., and Padilha, A. L.: Characteristics of the equatorial electrojet determined from an array of magnetometers in N-NE Brazil, Earth Planets Space, 51, 115-128, 1999.
24. Sabaka, T. J., Olsen, N., and Langel, R. A.: A comprehensive model of the quiet-time, near-Earth magnetic field: phase 3, Geophys. J. Int., 151, 32-68, 2002.
25. Sabaka, T. J., Olsen, N., and Purucker, M.: Extending comprehensive models of the Earth's magnetic field with Ørsted and CHAMP data, Geophys. J. Int., 159, 521-547, 2004.